Average Co-Inventor Count = 1.23
ph-index = 6
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Other (16 from 832,680 patents)
2. Tenyo Co., Ltd. (2 from 26 patents)
3. Tedco, Inc. (1 from 4 patents)
4. Knowlton, Kenneth C. (0 patent)
5. Setteducati, Mark (0 patent)
19 patents:
1. 8628087 - Personalized mosaic puzzle set
2. 7066820 - Illusion toy
3. 6976678 - Amusement device completing composite image by reflection
4. 6971880 - Deformable drawing tablet
5. 6934002 - System for interactive display of a magic show
6. 6876976 - Merchandising magic tricks, mechanical or action/motion puzzles
7. 6792707 - Personalized animation by selective reflection
8. 6174241 - Book-form magic set
9. 5678822 - Kineographic playing cards
10. 5558550 - Simulated finger device
11. 5445565 - Table top magic theater set
12. 5409420 - Spectator failure trick involving suspension illusion
13. D354830 - Savings bank
14. 5348220 - Savings box
15. 5174570 - Image transformation puzzles